2222771 has 4 divisors (see below), whose sum is σ = 2270112. Its totient is φ = 2175432.

The previous prime is 2222761. The next prime is 2222783. The reversal of 2222771 is 1772222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2222771 - 2¹⁴ = 2206387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2222741) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23600 + ... + 23693.

It is an arithmetic number, because the mean of its divisors is an integer number (567528).

2^2222771 is an apocalyptic number.

2222771 is a deficient number, since it is larger than the sum of its proper divisors (47341).

2222771 is an equidigital number, since it uses as much as digits as its factorization.

2222771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47340.

The product of its digits is 784, while the sum is 23.

The square root of 2222771 is about 1490.8960392999. The cubic root of 2222771 is about 130.5063291167.

Adding to 2222771 its reverse (1772222), we get a palindrome (3994993).

The spelling of 2222771 in words is "two million, two hundred twenty-two thousand, seven hundred seventy-one".